# au vs aa crazy

The clearest difference is in-app purchases: aa crazy at none against au's 3. aa crazy also leads on rating (4.0 vs 3.7) and ratings volume (289 vs 36). au's advantage is ads (none vs shown) and iOS requirement (8.0 vs 12.0). On price, update cadence, monetization model and device support there is nothing between them.

Both are free to download. au sells 3 one-off in-app purchases. aa crazy asks for nothing beyond the download.

aa crazy holds the better App Store score, 4.0 against 3.7. That said, the two scores are not equally well evidenced: aa crazy has 289 ratings behind it against 36, so its average is the more settled of the two. Written reviews point the same way: 57% of au's written reviews are positive against 66% of aa crazy's.

au ships an update every 5 weeks, aa crazy every 2 months. The most recent releases landed on October 17, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | au | aa crazy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (36 ratings)](https://appshunter.io/ios/app/au/id931199028/reviews) | **[4.0 (289 ratings)](https://appshunter.io/ios/app/aa-crazy-stack-and-merged-dots/id1086455701/reviews)** |
| Number of ratings | 36 | **289** |
| Positive reviews | 57.4% of reviews | **65.9% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 12 MB | 20 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [General Adaptive Apps Pty Ltd](https://appshunter.io/developer/937589555) | [Tinh Nguyen](https://appshunter.io/developer/915451185) |

## What reviewers say

### au

[App page](https://appshunter.io/ios/app/au/id931199028)

A challenging puzzle game where players control speed by touching and lifting off the screen. Navigate through levels, collect dots, and avoid collisions. Compete for high scores and unlock new levels.

**Highlights:** Touch and hold to control speed, Collect all dots, Avoid collisions, 150 challenging levels, Leaderboard and medals, Replay past levels, Skip difficult levels

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Skip au Level | $0.99 | one-time |
| Remove au Ads | $1.99 | one-time |
| Unlock All of au | $3.99 | one-time |

**What reviewers like**

- 🤩 Addicting and fun
- 👍 Great series of games
- ✨ Simple and enjoyable
- 💯 Best game ever
- 😍 Amazing app

**What reviewers complain about**

- 😠 Impossible to beat levels
- 🤔 Levels are confusing
- 👎 Not intuitive
- 💸 Feels like a money grab
- 😵 Stupid and rageous

**Reported bugs**

- Stops you from placing last piece
- Level 39 needs to be fixed
- Game crashes on open
- No visible change of speed

**Requested features**

- Make more apps
- Explain how to play latest game
- Update with bug fixes
- Provide instructions or tutorial
- Fix crashing issue


### aa crazy

[App page](https://appshunter.io/ios/app/aa-crazy-stack-and-merged-dots/id1086455701)

A challenging casual game where players tap to shoot a large ball, aiming to avoid smaller balls within a circle. With over 1000 levels and simple controls, it offers addictive gameplay for all ages. Play offline and test your skills against friends.

**Highlights:** Tap to shoot, Avoid small balls, 1005+ levels, Addictive gameplay, Simple controls, Offline play

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🤩 Addictive gameplay
- 👍 Fun and entertaining
- ✨ Amazing sound effects
- 💯 Great for passing time
- 🚀 Good for when no WiFi

**What reviewers complain about**

- 😩 Too many ads
- 😠 Ads are annoying
- 😤 Ads make me not want to play
- 😵 Game gets boring at level five
- 🤯 Levels become impossible

**Reported bugs**

- App crashes on opening
- Died without reaching anything
- Lost without touching the line
- Ads crash the game

**Requested features**

- Remove ads
- Add infinite mode
- Spice up the game
- Add more levels
- Option to buy passes by watching ads or completing levels


## Frequently asked questions

### Is au free?

au is free to download, with in-app purchases available.

### Is aa crazy free?

aa crazy is free to download, with no in-app purchases.

### Which has better reviews, au or aa crazy?

aa crazy is rated higher. au averages 3.7 out of 5 from 36 ratings, while aa crazy averages 4.0 from 289 ratings.

### Do au or aa crazy have ads?

aa crazy shows ads; au does not.

### Which is updated more often, au or aa crazy?

au ships an update every 5 weeks, and aa crazy every 2 months. Most recently, au was updated on October 17, 2026 and aa crazy on October 19, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*